


Vectrex Controller
9 PIN UNKNOWN CONNECTOR
  
    | Pin | Description | 
  
    | 1 | Button 1 | 
  
    | 2 | Button 2 | 
  
    | 3 | Button 3 | 
  
    | 4 | Button 4 | 
  
    | 5 | Horizontal Pot | 
  
    | 6 | Vertical Pot | 
  
    | 7 | +5V | 
  
    | 8 | GND | 
  
    | 9 | -5V | 
The joystick potentiometers work by voltage division between -5V and +5V.
Actually, it uses a couple of resistors on each side to make it more like -3.4V to 3.4V.
Vertical Pin 6:
  
    | Voltage | Direction | 
  
    | -3.4 V | Down | 
  
    | 0 V | Center | 
  
    | +3.4 V | Up | 
Horizontal Pin 5:
  
    | Voltage | Direction | 
  
    | -3.4 V | Left | 
  
    | 0 V | Center | 
  
    | +3.4 V | Right | 
  Copyright © The Hardware Book Team 1996-2004.
  May be copied and redistributed, partially or in whole, as appropriate.
  Document last modified: 2002-01-10